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Environmental Engineering in CE

Environmental Engineering in CE
Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas.

Highly
Very extremely
Extremely
Moderately

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Environmental Engineering in CE
The widest explosive limit is of __________ , thereby making it the most explosive gas.

Hydrogen
Petrol vapor
Carbon monoxide
Acetylene

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Environmental Engineering in CE
Color test of water is done with an instrument called

Tintometer
Electro-chemical cell
Colorimeter
Turbidimeter

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Environmental Engineering in CE
Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr.

0.1 to 1
3 to 6
15 to 20
10 to 15

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Environmental Engineering in CE
Average human body contains about __________ percent water by weight.

70
85
40
20

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Environmental Engineering in CE
The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank)

B
2B
8B
4B

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